TY  - RPRT
TI  - Sinus node function and conduction system before and after surgery for secundum atrial septal defect: an electrophysiologic study.
AU  - M Bolens
AU  - B Friedli
PY  - 1984
DO  - 10.1016/s0002-9149(84)90825-7
UR  - https://pubmed.ncbi.nlm.nih.gov/6720586/
ID  - 6720586
ER  -